Thank you, works like a charm and makes my code smell better.

On Tuesday, July 2, 2013 8:48:14 PM UTC+4, Christophe Grand wrote:
>
> => (def a (object-array 1))
> #'user/a
> => (set! *warn-on-reflection* true)
> true
> => (aset a 0 nil)
> Reflection warning, NO_SOURCE_PATH:1:1 - call to aset can't be resolved.
> nil
> => (aset ^objects a 0 nil)
> nil
>
>
> hth,
>
> Christophe
>
>
> On Tue, Jul 2, 2013 at 5:13 PM, Mikera <mike.r.an...@gmail.com<javascript:>
> > wrote:
>
>> I think that is the only way.
>>
>> The good news is that this is Clojure, so you can easily wrap it in an 
>> "object-array-cast" macro....
>>
>>
>> On Tuesday, 2 July 2013 15:41:02 UTC+1, Dmitry Groshev wrote:
>>>
>>> Hello all.
>>>
>>> I have a following deftype:
>>>
>>> (deftype NDArray
>>>     [^objects data
>>>      ^long ndims
>>>      ^longs shape
>>>      ^longs strides])
>>>
>>> (https://github.com/si14/**matrix-api/blob/**
>>> 70b376f58ec3846df6622b971001c3**ade32d0725/src/main/clojure/**
>>> clojure/core/matrix/impl/**ndarray.clj#L30<https://github.com/si14/matrix-api/blob/70b376f58ec3846df6622b971001c3ade32d0725/src/main/clojure/clojure/core/matrix/impl/ndarray.clj#L30>
>>> )
>>>
>>> Then, when I use "data" field in various contexts like aget/aset, 
>>> Clojure warns me about reflection (and rightfully so). It's not a problem 
>>> with primitive arrays because we can use (longs …) and similar functions to 
>>> make cast explicitly, but there is no (objects …). With some googling I've 
>>> found a following solution:
>>>
>>>     (let […
>>>           #^"[Ljava.lang.Object;" data (.data m)
>>>           …]
>>>       (aset data idx v))))
>>>
>>> (https://github.com/si14/**matrix-api/blob/**
>>> 70b376f58ec3846df6622b971001c3**ade32d0725/src/main/clojure/**
>>> clojure/core/matrix/impl/**ndarray.clj#L259<https://github.com/si14/matrix-api/blob/70b376f58ec3846df6622b971001c3ade32d0725/src/main/clojure/clojure/core/matrix/impl/ndarray.clj#L259>
>>> )
>>>
>>> But it's really really ugly. Is there a way to make it better?
>>>
>>>  -- 
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>
>
>
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